Enjoy Streaming Music WirelesslyThis bluetooth receiver can be connected to non-Bluetooth car audio systems, stereos, wired speakers and headphones via the 3.5mm AUX adapter; and equipped with Bluetooth 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music! Intelligent Noise Cancellation TechnologyOur car bluetooth adapter adopts the latest CVC8.0 noise cancellation and processor technologies signal processors (DSP), which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear call sounds Up to 16 Hours Battery LifeThe working time of this aux bluetooth adapter is up to 16 hours when making calls or playing music. And it only takes 2.5 hours to fully charge the device using a fast Type-C charging cable (included in the package). What's more, this Bluetooth music adapter can be used while charging, very convenient Hands-free Calling and NavigationBuilt-in microphone and MFB button to answer/redial/hang up/ reject calls, help you make hands-free calls. And the hands-free car kit supports streaming voice notifications from the existing navigation app. You don't need to look at the phone while on the go. Be sure to drive carefully! Dual ConnectionThe portable jack bluetooth receiver can be paired with 2 devices at the same time. You can enjoy your music and never worry about missing calls. Once paired, the bluetooth receiver will automatically reconnect to your last paired bluetooth devices, provided they are within wireless range